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Finding the Fourth Proportional to 190,361.60, 285,341.45 and 63,881.92

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Solution

The fourth proportional to 190,361.60, 285,341.45 and 63,881.92 is: 95,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,361.60 : 285,341.45 = 63,881.92 : x
  2. Step 2: Convert to fraction form
    190,361.60/285,341.45 = 63,881.92/x
  3. Step 3: Cross multiply
    190,361.60x = 285,341.45 × 63,881.92
  4. Step 4: Simplify right side
    190,361.60x = 18,228,158,254.88
  5. Step 5: Solve for x
    x = 18,228,158,254.88/190,361.60
  6. Step 6: Final answer
    x = 95,755.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.